13340042144 has 48 divisors (see below), whose sum is σ = 30854688480. Its totient is φ = 5597218560.

The previous prime is 13340042143. The next prime is 13340042161. The reversal of 13340042144 is 44124004331.

It is a super-2 number, since 2×13340042144² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (13340042141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453034 + ... + 1462185.

It is an arithmetic number, because the mean of its divisors is an integer number (642806010).

Almost surely, 2^13340042144 is an apocalyptic number.

It is an amenable number.

13340042144 is an abundant number, since it is smaller than the sum of its proper divisors (17514646336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13340042144 is a wasteful number, since it uses less digits than its factorization.

13340042144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915253 (or 2915245 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13340042144 its reverse (44124004331), we get a palindrome (57464046475).

The spelling of 13340042144 in words is "thirteen billion, three hundred forty million, forty-two thousand, one hundred forty-four".